General

  • Target
    XClient.exe
  • Size 32KB
  • Sample260819-1vs61ahg86
  • SHA256 8888114085cb7f6b3f75df3c965810774af987e1a508e748054bfbb6f7c57eff
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 16.tcp.vip.cpolar.cn:14265

Mutex
  • tXHHOKNLLPWU26QS

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      XClient.exe
    • Size 32KB
    • SHA256 8888114085cb7f6b3f75df3c965810774af987e1a508e748054bfbb6f7c57eff
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Disables Task Manager via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks